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Note 8 - Share-based Compensation - Share-based Compensation Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Share-Based Payment Arrangement, Expense | $ 478 | $ 460 | $ 1,149 | $ 1,483
Capitalized in intangible assets | 8 | 10 | 25 | 39
Total share-based compensation | 486 | 470 | 1,174 | 1,522
Selling and Marketing Expense [Member] |  |  |  |
Share-Based Payment Arrangement, Expense | 123 | 22 | 175 | 163
Research and Development Expense [Member] |  |  |  |
Share-Based Payment Arrangement, Expense | 80 | 74 | 162 | 174
General and Administrative Expense [Member] |  |  |  |
Share-Based Payment Arrangement, Expense | $ 275 | $ 364 | $ 812 | $ 1,146

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